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In the concave reflector of a torch, the bulb is placed:a) between the pole and focus of reflectorb) at the focus of reflectorc) between focus and centre of curvature of reflectord) at the centre of curvature of reflector
In the concave reflector of a torch, the bulb is placed:
a) between the pole and focus of reflector
b) at the focus of reflector
c) between focus and centre of curvature of reflector
d) at the centre of curvature of reflector
CBSE | Class 10 | Lakhmir Singh | Physics | Reflection of Light
In the concave reflector of a torch, the bulb is placed:
a) between the pole and focus of reflector
b) at the focus of reflector
c) between focus and centre of curvature of reflector
d) at the centre of curvature of reflector

The correct answer is b) at the reflector’s focus

i

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